通过表面张力法研究了二甲基亚砜(DMSO)对十六烷基三甲基溴化铵(CTAB)胶束形成的影响。
The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension.
如同所有的电视一样,液晶显示器的塑料外壳经过溴化阻燃剂处理,内部线路用了各种有毒重金属,如镉,铬,锑,铍。
As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.
“由于工业化国家的人处于多溴二苯醚遍布的环境中,即使受精力的小小下降都可能引起公共卫生的广泛影响,”科学家在他们的研究中说道。
“Because exposure to PBDEs is ubiquitous in industrialized nations, even small decreases in fecundability may have wide-reaching public health impacts,” the scientists said in their study.
“由于工业化国家的人处于多溴二苯醚遍布的环境中,即使受精力的小小下降都可能引起公共卫生的广泛影响,”科学家在他们的研究中说道。
"Because exposure to PBDEs is ubiquitous in industrialized nations, even small decreases in fecundability may have wide-reaching public health impacts," the scientists said in their study.
但他用溴化镭,做的研究十分有意思,他研究的是alpha粒子。
But it's really interesting the studies that he did do with radium bromide, and he was studying the alpha particles.
对直接溴化法合成六溴苯作了系统的研究,并对文献方法进行了一系列的改进。
A detailed study for the synthesis of hexabromobenzene by means of direct bromination has been conducted, and some modifications to the classical method were proposed.
本文介绍了用溴化亚铜激光器利用光脉冲法来测定光速的实验及其设计思想。
This paper presents the experiment and design thinking for measuring velocity of light by using a copper bromide laser.
在阳离子表面活性剂——十六烷基三甲基溴化铵(CTMAB)的存在下,用比浊法对铝箔蚀腐液中微量硫酸根离子进行测定。
Traces of sulfate ions in etching solution for aluminum foil have been determined by turbidimetry in presence of cation surface activator-hexadecyl trimethyl ammonium bromide (CTMAB).
固定化细胞经过50次重复使用后,对溴氨酸仍具有很高的降解活性。
The immobilized cells still showed very high activity of ABA degradation after 50 cycles of operation.
提出了可工业化的噻吩乙醇的合成方法,并详细地讨论了降低副产物生成的途径。对溴化和格氏化条件进行了研究。
This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's.
研究了十六烷基三甲基溴化铵(CTAB)和十二烷基磺酸钠(AS)复配体系在稀溶液区的相行为。
The phase behavior of cetyltrimethylammonium bromide(CTAB) and sodium dodecyl sulfonate(AS) mixed system in dilute aqueous solution region has been studied.
采用正丁醇-氢氧化钠反应体系,以十六烷基三甲基溴化铵为相转移催化剂,制得脱乙酰度为92%的壳聚糖。
The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.
应用纳米铟、铋、锡在水相中成功地促进了多种羰基化合物和巴豆基溴的丁烯基化反应,在短时间内得到了高产率的高烯丙醇。
Indium, tin and bismuth nanoparticles successfully mediated crotylation of carbonyl compounds in water to afford the corresponding homoallylic alcohols with good to excellent yields in a short time.
制备了一种新型的溴化试剂——载溴阴离子交换树脂。
考察了格氏试剂的溶剂、反应物盐酸吡啶和三溴化硼对脱甲氧基收率的影响。
The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.
同时,我们还以电导法和稳态荧光法研究了多巴胺与阳离子表面活性剂十六烷基三甲基溴化铵(CTAB)胶束体系的相互作用。
We also studied the interaction between dopamine and the cationic surfactant sodium dodecyl sulfate (CTAB) by the methods of conductivity and the steady state fluorescence.
十六烷二甲基苯氧乙基溴化铵的乳化能力、起泡力和泡沫稳定性都比较弱,具有一定的消泡和抑泡作用。
The emulsibility, producing bubble ability and the foam stability for PDPB are weaker, and it has definite effect on disappeared and restrained bubbles.
介绍了溴化环氧树脂阻燃剂的性能和工业开发。
In this paper, the industrial development and performance of epoxy resin bromide flame retardant are introduced.
目的:观察布地奈德混悬液联合沙丁胺醇、溴化异丙托品雾化吸入治疗哮喘的效果。
Objective: To observe the therapeutic efficacy of nebulized budesonide suspension plus albuterol and ipratropium bromide in childhood asthma.
探讨了用溴酸钾—磷酸体系溴化苯乙酮的溴化新方法,并讨论了影响反应收率的几个因素。
In this paper, we reported a new method of bromination of acetophenone using potassium bromate in phosphoric acid. Some factors that effect yield are also discussed.
我在最开始就说了,由于他工作时接触到了溴化镭,我非常欣慰的,看到它做这些实验。
So, I mentioned at the beginning, while he was working with this radium bromide that I was very relieved to see that it did not kill him to do these experiments.
通过烯丙基溴化锌对手性亚胺的两次不对称加成,合成了光活性的双烯丙基化的新型手性二胺。
A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.
通过表面张力法和负染色电镜法分别从两个方面研究了二甲基亚砜(DMSO)对十六烷基三甲基溴化铵(CTAB)胶束形成的影响。
The effect of dimethyl sulphoxide(DMSO)on micelle conformation of hexadecyltrimethylammonium bromide(CTAB)was studied by means of surface tension and negative staining TEM measurements.
联合国粮食及农业组织世界衞生组织食物添加剂联合专家委员会已对溴化植物油的食用安全作出评估问题,认为它不应用作食物添加剂。
JECFA Joint FAO WHO Expert Committee on food Additives has evaluated the safety of BVO and concluded that it should not be used as food additive.
在第二章中,通过理论计算对金催化的溴代连二烯酮环异构化反应的机理进行了研究和讨论。
In the second chapter, the mechanism of the gold-catalyzed cycloisomerization of bromoallenyl ketone was investigated and discussed.
第一部分是以基于锌粉-溴丙炔体系的、非对映选择性的炔丙基化反应为关键步骤,合成天然及类天然产物。
The first part describes the syntheses of natural products and natural-like products by means of diastereoselective propargylation as the key step.
第一部分是以基于锌粉-溴丙炔体系的、非对映选择性的炔丙基化反应为关键步骤,合成天然及类天然产物。
The first part describes the syntheses of natural products and natural-like products by means of diastereoselective propargylation as the key step.
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